BOULDER, Colo. – A wildfire that was contained near the First Flatiron in Boulder on Thursday was human-caused, according to the Boulder County Sheriff’s Office.
The Gregory Fire was reported just after 2 p.m. Wednesday, according to the sheriff’s office. Investigators were able to determine the origin of the blaze was just below Crown Rock, on the eastern slope, near the 2000 block of Flagstaff Road.
A spokesperson said investigators were also able to rule out all natural ignition sources such as lightning strikes, downed electrical lines, etc. But the specific cause of the fire is still unknown at this time.
Anyone with information is asked to call Det. Jason Shatek at (303) 441-3641.
The City of Boulder Fire Department had the fire at 100 percent containment by 11:30 a.m. Thursday.